| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.61 | -0.04 |
| Feb | 2.74 | 2.70 | 0.04 |
| Mar | 3.83 | 3.98 | -0.15 |
| Apr | 4.77 | 4.98 | -0.21 |
| May | 5.44 | 5.64 | -0.20 |
| Jun | 4.14 | 4.17 | -0.03 |
| Jul | 4.18 | 3.87 | 0.31 |
| Aug | 3.89 | 4.04 | -0.15 |
| Sep | 3.78 | 3.97 | -0.19 |
| Oct | 3.43 | 3.27 | 0.16 |
| Nov | 3.89 | 4.01 | -0.12 |
| Dec | 2.79 | 2.77 | 0.02 |
45.45 | 46.01 | -0.56 |